Ted: what is the reference of the article you are referring to? In the meantime I found this article, which addresses the question to some extend:
"FLIGHT CALLS AND THEIR VALUE FOR FUTURE ORNITHOLOGICAL STUDIES AND CONSERVATION RESEARCH", Andrew Farnsworth, The Auk 122(3):733-746. 2005 https://doi.org/10.1642/0004-8038(2005)122[0733:FCATVF]2.0.CO;2 Thanks Wim van Dam Solvang, CA, USA On Wed, Jan 31, 2018 at 6:21 AM, Ted Floyd <tfl...@aba.org> wrote: > Jay Withgott? > > You out there? > > Could you post a PDF of your fine article in Birding, gasp, 16 years ago? > (Feels like yesterday.) > > Best, --TF > > > > =================================== > > Ted Floyd > Editor, Birding magazine > Managing Editor, North American Birds > > Website: http://aba.org/birding > Twitter: http://twitter.com/BirdingMagazine > The ABA Blog: http://blog.aba.org/ > > On Tue, Jan 30, 2018 at 12:50 AM, Wim van Dam <wim.van....@gmail.com> wrote: >> >> So as I'm starting to learn about NFCs the obvious question came to >> me: how do we know what we currently know? >> >> Do we typically infer ID features from daytime flight calls where we >> can visually verify our IDs? Or are night calls too different from >> daytime ones, meaning that we have/had to find other ways of matching >> calls with birds (netting, night time visual observations, etc)? >> >> Imagine somebody trying to get into NFCs in an unexplored part of the >> world. How does such a person start? >> >> Thanks. >> >> Wim van Dam >> Solvang, CA (USA) >> >> -- >> NFC-L List Info: >> >> Welcome and Basics – http://www.northeastbirding.com/NFC_WELCOME >> Rules and Information – http://www.northeastbirding.com/NFC_RULES >> Subscribe, Configuration and Leave – >> http://www.northeastbirding.com/NFC-L_SubscribeConfigurationLeave.htm >> >> Archives: >> The Mail Archive – >> http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html >> Surfbirds – http://www.surfbirds.com/birdingmail/Group/NFC-L >> Birding.ABA.Org – http://birding.aba.org/maillist/NFC >> >> Please submit your observations to eBird! – >> http://ebird.org/content/ebird/ >> -- > > > -- > NFC-L List Info: > Welcome and Basics > Rules and Information > Subscribe, Configuration and Leave > Archives: > The Mail Archive > Surfbirds > Birding.ABA.Org > Please submit your observations to eBird! > -- -- NFC-L List Info: Welcome and Basics � http://www.northeastbirding.com/NFC_WELCOME Rules and Information � http://www.northeastbirding.com/NFC_RULES Subscribe, Configuration and Leave � http://www.northeastbirding.com/NFC-L_SubscribeConfigurationLeave.htm Archives: The Mail Archive � http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html Surfbirds � http://www.surfbirds.com/birdingmail/Group/NFC-L Birding.ABA.Org � http://birding.aba.org/maillist/NFC Please submit your observations to eBird! ��http://ebird.org/content/ebird/ --
